Bioinformatics=(ACGAAG->AK)+(#!/bin/sh)+(P(A|B)=P(B|A)*P(A)/P(B))

Perl: Sorting a Two-Dimensional Array

The Perl sort function is useful for alphabetically sorting lists. However, you can’t use it on a list of lists, because once a list starts listing other lists, they cease to be lists and become references instead. By sorting arrays within arrays, it’s possible to gain relational database-like control over data grids.
For example, let’s say I have a list of lists called @biglist. To print all of its unsorted contents, I would write: